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stiks02 [169]
2 years ago
5

Which equation has the solution x=7? a-5x+3=45 B-3x−8=28 c-5x−1=−34 D-2x−5=9

Mathematics
1 answer:
Roman55 [17]2 years ago
6 0

Answer:

D

Step-by-step explanation:

2x-5=9

add 5 to both sides

2x=14

divide by 2 on both sides

x=7

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You have set up a webpage for your company. your logo took up 2/7 of your allotted space on the main page and the location infor
Maksim231197 [3]
So we want to find how much more space the logo took up.

So just subtract the location info from the logo space.

2/7 - 1/10

To subtract, you just want to find a common denominator. In this case it would be 70.

2/7 * 10/10 - 1/10 * 7/7

20/70 - 7/70

Then just subtract.

13/70

So that's the fraction. For the percent, just divide.

13/70 = 0.186 ish

Or, 18.6% ish
8 0
3 years ago
At what values of x does f(x)=0?
andriy [413]

Answer:

Step-by-step explanation:

Look for the three dots on the x-axis:  You find them at -1, 2 and 4.

At these x-values the function has zeros (roots or solutions).

Thus, the 3 correct answers are B (x = 2) and F (x = 4).  -1 is also a solution, but is not listed.

7 0
3 years ago
Shelly rolls a number cube labeled from 1 to 6. What is the probability that she rolls a number greater than 5 or less than 2?
s2008m [1.1K]

Answer:

1/3 =0.33 = 33%

Step-by-step explanation:

The probability is the number of chances divided by the total number. The total number of options is 6 since it is a six sided cube. She could roll a 6 to be greater than 5 or 1 to get less than 2. These are two options out of  total of 6.

2 out of 6 is 2/6 which simplifies to 1/3 =0.33 = 33%

7 0
3 years ago
Read 2 more answers
PLEAZE HELP IM STUCK PLS
kotegsom [21]

Answer:

T_{23}=-153

Step-by-step explanation:

T_{23}=a+(n-1)d\\

=a+(23-1)d=a+22d

Now a=-21 and

d=-27-(-21)\\=-6

So T_{23}==21+((22)6\times-1)

=-153

3 0
2 years ago
33. The quadratic equation x² - 4x - 12 = 0 has w and z as
masya89 [10]

Factor

what 2 numbers multily to get -12and add to get -4

-6and -2

(x-6)(x+2)=0

ser to zero

x-6=0

x=6

x+2=0

x=-2

6>-2

w=6

-2=z

3w+2z

3(6)+2(-2)

18-4

14

value is 14

option D

6 0
2 years ago
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